Where this game down ?

This is not a game or a video , it is a just gif made by a person and being used for advertisement !
Here is the original gif
http://a.pomf.se/tdhwbp.gif
If you want more gifs or pics , you refer to this link
http://rule34.paheal.net/post/list/Ninja_Gaiden/1

http://www.naughtymachinima.com/video/9407/doa-frisky-momiji heres an actual video

This is not a game or a video , it is a just gif made by a person and being used for advertisement !
Here is the original gif
http://a.pomf.se/tdhwbp.gif
If you want more gifs or pics , you refer to this link
http://rule34.paheal.net/post/list/Ninja_Gaiden/1

this isn't a game, it's a SFM (source filmmaker) someone made.